Re: [Killietalk] azolla (was duckweed)

["wusong" <wusong at drunkenbastards_com>]

The cyanobacteria (Anabaena azollae and others) are inside the plant and pose no threat whatsoever to tank aesthetics.  The plant would, like any other, help fight algae, both through nutrient competition and shading.  

Having had azolla in my display tank for many months, I found it to be rather dependent on high light. Good airflow seems important to it, as well - this was the first time I'd had it any lenght of time without it rotting as previously described.  Open topped tank with CF or MH lights?  I say go for it.  Typical killie tank?  No way it would survive.

Dave S.


---------- Original Message ----------------------------------
From: Kyle Osterholt <snakeskinnerkyle at yahoo_com>
Reply-To: killifish discussion list <killietalk at aka_org>
Date:  Sun, 1 Oct 2006 19:27:44 -0700 (PDT)

>never heard of the stuff so I did a quick google.  the first hit talks about azolla "duckweed fern" and how it has an inseperable symbiotic relationship with cyanobacteria.  not really excited about that since I'm always fighting to keep cyanobacteria out of my tanks rather than introduce it.  
>   
>  I'm also curious if anyone else has used azolla in a tank.  I didn't really read the article, more like skimmed it and it seemed like it would be more of a pest than duckweed can be.  I wonder if it would actually help control cyanobacteria rather than cause it to spread..  need to do some more reading on it, Kyle
>
>
>Kyle Osterholt
>
> 			
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